Physics design of phase and energy adjustment for heavy ion beam of the same mass with two-charge state on BISOL

Fei ZHU; Zhaohua PENG; Jian ZHENG; Ailing LI; Lipeng ZHOU; Yaoming HU

doi:10.11889/j.0253-3219.2017.hjs.40.110201

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Physics design of phase and energy adjustment for heavy ion beam of the same mass with two-charge state on BISOL

LOW ENERGY ACCELERATOR, RAY AND APPLICATIONS | 更新时间：2021-05-19

- Physics design of phase and energy adjustment for heavy ion beam of the same mass with two-charge state on BISOL
- NUCLEAR TECHNIQUES Vol. 40, Issue 11, Article number: 110201(2017)
- 作者机构：
  
  中国原子能科学研究院核物理研究所北京 102413
- 作者简介：
- 基金信息：
- DOI：10.11889/j.0253-3219.2017.hjs.40.110201
  CLC： TL53
- Received：03 July 2017，
  
  Revised：25 August 2017，
  
  Published：10 November 2017
- 稿件说明：
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Fei ZHU, Zhaohua PENG, Jian ZHENG, et al. Physics design of phase and energy adjustment for heavy ion beam of the same mass with two-charge state on BISOL[J]. Nuclear techniques, 2017, 40(11): 110201
DOI：

Fei ZHU, Zhaohua PENG, Jian ZHENG, et al. Physics design of phase and energy adjustment for heavy ion beam of the same mass with two-charge state on BISOL[J]. Nuclear techniques, 2017, 40(11): 110201 DOI： 10.11889/j.0253-3219.2017.hjs.40.110201.

摘要

放射性核束物理是国际核物理研究的前沿，滴线区新物理、铁以上重元素的天体合成过程、超重稳定岛核素合成等关键科学问题的突破将对整个自然科学产生重大影响，这些研究都需要高强度的极端丰中子核束。将中国先进研究堆及强流氘离子加速器打靶产生的放射性核束传输至物理终端，采用两电荷态束流同时加速可以有效提高束流强度；通过分析离子束分离注入同步加速原理，采用静电高压调节离子束相位差，速率调节器同步离子束能量，分别计算得到不同种类核束引出电压参数和速率同步参数；同时分析计算了电压调节与离子束相位差变化关系，得到电压调节参数。计算结果表明，当调节电压幅值取±8 kV时，可满足不同种类离子相位调节需求。

Abstract

Background

The breakthroughs in researches on drip line of new physics and the process of celestial synthesis of heavy elements above iron and nuclide synthesis of super heavy island would have a significant impact on natural science

and in which high-intensity neutron rich beam plays an indispensable part.

Purpose

The radioactive beam produced by China advanced research reactor (CARR) and the high intensity deuteron accelerator is transmitted to the physical terminal

and the beam intensity can be effectively enhanced by the simultaneous acceleration of the two-charge state beam.

Methods

Based on the principles of scatter injection and synchronous acceleration for ion beam

the high voltage was used to adjust the phase difference of the ion beam

and the speed regulator to synchronize the ion beam energy

the extraction-voltage and rate-synchronization parameters of different kinds of ion beam are calculated

respectively. Voltage regulation parameters are obtained by analyzing the relationship between voltage regulation and phase difference of ion beam.

Results

The results show that with regulate voltage at ±8 kV

phase adjustment for different types of ion beam can be satisfied.

Conclusion

Physics design parameters can meet the requirement of engineering construction.

关键词

Keywords

references

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